PDF malware analysis — malicious · aafba4f0dc6cb056

MALICIOUS

PDF

42.1 KB Created: 2020-08-29 22:51:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3e073508f3aba087efe97b521b37cbb2 SHA-1: 7e5c92c071e2266935a000d67a9d415310a259ff SHA-256: aafba4f0dc6cb0563818bc96262fc2ed73f96ba7c4e59dc076cbfa4ea1d56645

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on static.usrfiles.com. One of the primary links, found in the document body, directs to a known malicious redirector at ttraff.club. This suggests the document is designed to drive traffic to malicious infrastructure, likely for further exploitation or phishing.

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://ttraff.club/wix?keyword=all+weather+portfolio+pdf
- https://static.usrfiles.com/ugd/b8c837_79498a9681a742d5ad474c77ba802910.pdf
- https://static.usrfiles.com/ugd/5b5da7_4c7d18222d1545529a129fb675161bf7.pdf
- https://static.usrfiles.com/ugd/7598fa_eca9984930814e58bc8a263d7ce419bf.pdf
- https://static.usrfiles.com/ugd/9904c2_d2023e19186440418b242edc2f2e79de.pdf
- https://static.usrfiles.com/ugd/b8c837_4a10ce090e854ed3947ec2c181d10032.pdf
- https://static.usrfiles.com/ugd/c618e9_5a2e881a1261475eabe697f66cd992a8.pdf
- https://static.usrfiles.com/ugd/b8c837_57ede5627bd64971b4976289694babe6.pdf
- https://static.usrfiles.com/ugd/b8c837_c59f01c313944bd89b6c6d5c60b9c983.pdf
- https://static.usrfiles.com/ugd/b8c837_9204ea580f5f44c6bc5d9c83bcc08aba.pdf
- https://static.usrfiles.com/ugd/ba3095_0382805b83604f75817c58410b412cc4.pdf
- https://static.usrfiles.com/ugd/b8c837_b15d50d21fc74e01b4827209e2ba98de.pdf
- https://static.usrfiles.com/ugd/b8c837_32e17859efe84569b320a1a9966ec6cb.pdf
- https://static.usrfiles.com/ugd/b8c837_c800a2d639294caeb60323729bd83782.pdf
- https://static.usrfiles.com/ugd/b8c837_1c8bcf3864ee4da09455be502f46e0e9.pdf
- https://static.usrfiles.com/ugd/b8c837_0480742dd71943639538b7cb4bedafa8.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006733.bin` `92d4155bf60d6929989eb613870cdbebcedeb3fd08090d2bb166eb704002c387`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6733	5032 bytes
`font_01_sfnt_off00007857.bin` `91ec13eeb0e895f3093440be6aafb43a91f3cc5848710364afa215288b1c58c2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7857	10336 bytes

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